Nissan Frontier Warning Lights: What They Mean

Amber: check soon

Low tire pressure warning light

Tire pressure is low, or the TPMS is malfunctioning (light flashes about 1 minute at start, then stays on).
What to do: Slow down, stop safely, inflate all four tires to the recommended COLD pressure, then drive above 16 mph to turn the light off. PDF page 101

Anti-lock Braking System (ABS) warning light

If on while the engine runs or while driving, the ABS may be malfunctioning; the anti-lock function is off but normal braking works.
What to do: Have the system checked; visiting a NISSAN dealer is recommended. PDF page 100

Automatic Transmission check warning light

If it comes on other than the brief 2 seconds at ignition ON, the automatic transmission may not be working properly.
What to do: Have the system checked; visiting a NISSAN dealer is recommended. PDF page 100

Automatic Emergency Braking (AEB) with Pedestrian Detection system warning light

Lit when AEB is set to OFF; if it blinks or lights while the system is on, the system may be unavailable. PDF page 100

Rear Automatic Braking (RAB) system warning light

Lit when RAB is turned off; if it blinks or lights while RAB is on, the system may be unavailable. PDF page 103

Vehicle Dynamic Control (VDC) OFF indicator light

VDC is switched off and not operating. If it stays on or comes on with the slip light while driving, VDC may have a fault.
What to do: Push the VDC OFF switch again or restart the engine; if it stays on, have VDC checked at a NISSAN dealer. PDF page 103

Master warning light

Comes on when vehicle information display warnings appear, such as no key, low fuel, low washer fluid, loose fuel cap, low tire pressure, 4WD error. PDF page 103

Slip indicator light

Blinks when VDC is operating, showing the road is slippery and the vehicle is nearing its traction limits.
What to do: If it does not come on at ignition ON, have the system checked; visiting a NISSAN dealer is recommended. PDF page 103

Hill descent control system ON indicator light

On when hill descent control is active; blinking with the switch on means the system is not engaged.
What to do: If it doesn't come on with the switch on, have the system checked; visiting a NISSAN dealer is recommended. PDF page 101

Electronic locking rear differential (E-Lock) system ON indicator light

On when the E-Lock clutch is fully engaged; flashing means the system is turning on or is not engaged. PDF page 100

Front passenger air bag status light

Lit when the passenger front air bag is off, depending on how the front passenger seat is being used. PDF page 100

Green: system on

High Beam Assist indicator light

Headlights are on with the switch in AUTO and high beams selected, showing high beam assist is operational. PDF page 104

Front fog light indicator light

Front fog lights are on. PDF page 104

Side light and headlight indicator light

Side light or headlight position is selected. PDF page 104

TOW mode ON indicator light

Tow mode function is on. PDF page 104

Turn signal/hazard indicator lights

Flash when the turn signal is used; both flash when the hazard switch is on. PDF page 104

Blue: system on

High beam indicator light

High beams are on, or the passing signal is activated. PDF page 104

Summarized in our own words from the 2026 Nissan Frontier owner's manual (AI-assisted; every light name was matched against its cited page 2026-10-18). Your vehicle may not have every light, and other years can differ. A red warning that stays on usually means stop safely and check: your manual has the final word.